New ventures in the early stages face strategic choices about resource allocation, deciding whether to develop capabilities broadly or narrowly. Simultaneously, founder experience and external collaboration affect the resource allocation strategy and performance. Therefore, this study aims to research the relationship between resource allocation strategy and performance, considering the interaction of founder experience and external collaboration in new ventures. The results of this study are as follows: First, a focused resource allocation strategy has a positive relationship with financial performance in new ventures. Second, founder experience mitigates the positive relationship between a focused resource allocation strategy and financial performance in new ventures. The significance of this study contributes to the activation of research on resource allocation strategy and capability development. Additionally, this study will help entrepreneurs better understand how to develop capabilities and allocate resources, thereby enhancing the growth of new ventures.